Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rivervaleleasing.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 21:50:59 UTC · ↺ Refresh
MX Hostnames
- rivervaleleasing-co-uk.mail.protection.outlook.com
MX Priorities
- rivervaleleasing-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 185.199.221.227 ↩ production.rivervale.katapult.cloud
Mail Server IPs
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1308.awsdns-35.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1308.awsdns-35.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1308.awsdns-35.org
ns-1880.awsdns-43.co.uk
ns-454.awsdns-56.com
ns-671.awsdns-19.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=3600;rua=mailto:[email protected],ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],ruf=mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
default._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- /wcuRyyvO2nUl6K5357acqPP5Y7V2GP11y7ITX7XsOajjm3KA6QQBAgxH2gj01rJJxq6F4PV1HGqHjVpYEDAKw==
- MS=ms86849689
- google-site-verification=L6fbL-2uGoVIfJuUpN7wo6hEiRSzcmbyN4G9ep9HdKk
- SPFv=spf1 include:spf.protection.outlook.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for rivervaleleasing.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits